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2014-08-08 06:22:36 -0500 answered a question Why is my state_publisher build complaining about tf::TransformBroadcaster?

"undefined reference to" error occurs when object file (.so file), corresponding to a particular included header has not been linked to your target (the executable to be built). In this case, tf/transform_broadcaster.h.

try adding this line in your CMakelists.txt:

target_link_libraries("name of executable" "location of file"/_tf.so "location of file"/_tf2.so )

put the location of the file _tf.so and _tf2.so in the respective "location of file"

eg. target_link_libraries(state_publisher opt/ros/groovy/lib/python2.7/dist-packages/tf/_tf.so opt/ros/groovy/lib/python2.7/dist-packages/tf2/_tf2.so )

Also, if not added, add tf package dependency in manifest.xml.

2014-08-07 07:39:21 -0500 commented answer Running openni_tracker with multiple kinects

Hi there! where can i find the multiple_kinect/tracker.xml file ? pls tell so i would be able to use your code... Thanks :-)

2014-08-07 07:18:07 -0500 commented question Multiple skeleton detektion("user-generator") by multiple kinects by OPENNI_TRACKER

Hi Hamed, please tell me how did you achieve launching two same node of the "openni_tracker" (tracker) by two different Kinect by using roslaunch file

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2014-08-06 07:44:03 -0500 edited question Multiple Kinects: how can you use multiple kinects with skeleton_markers / skeleton_tracker?

when i connect 2 kinects to my pc, and run skeleton_markers or skeleton_tracker node, it only shows depth image from one kinect. Further, skeleton_tracker node does not subscribe to any topic which i can change. How can i make the skeleton_tracker/skeleton_markers node to display and process depth image from other kinects?